US PATENT SUBCLASS 369 / 50
.~ Mechanism control by information signal (e.g., voice responsive)

Current as of: June, 1999
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369 /   HD   DYNAMIC INFORMATION STORAGE OR RETRIEVAL

47  DF  CONTROL OF STORAGE OR RETRIEVAL BY A SIGNAL TO BE RECORDED OR REPRODUCED (E.G., PILOT OR CONTROL SIGNAL) {2}
50.~ Mechanism control by information signal (e.g., voice responsive) {1}
51  DF  .~.~> Control of spiral track spacing (e.g., signal variable pitch)

DEFINITION

Classification: 369/50

Mechanism control by information signal (e.g., voice responsive):

(under subclass 47) Subject matter wherein a mechanical operating condition is controlled by a parameter of the information signal.